high-density concrete

high-density concrete, heavy concrete, heavyweight concrete

Concrete of exceptionally high unit weight, usually consisting of heavyweight aggregates; used esp. for radiation shielding.
References in periodicals archive ?
Safety features in the building include the high-density concrete core, which surrounds wide staircases of poured concrete, according to Frank Hussy of Tishman Construction, who is supervising the construction site.
The gravity anchors, which use high-density concrete mixed with iron ore aggregate, will he constructed at the Venture's King Bay Supply Base.
Insulation and steel rebar are then put into place on the interior ceiling of the dome and covered with several layers of high-density concrete.
The 3/4-inch-thick slab consists of high-density concrete reinforced with plastic mesh.

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